Answer: Zero slope
Step-by-step explanation: A common mistake made by many students is to confuse what no slope is and what zero slope.
If a line has a slope of zero, it means that the line is flat or horizontal.
No slope is a vertical line or straight up and down. No slope means that we cannot describe its slope using a number because its line is vertical and it's slope is undefined. This has to do with dividing a number by 0. When you do this, you should get an error message or it should say undefined.
So, this line would have zero slope because it's flat.
